<?php

/**
 * This is the model class for table "{{user}}".
 *
 * The followings are the available columns in table '{{user}}':
 * @property integer $id
 * @property string $username
 * @property string $password
 * @property string $salt
 * @property string $email
 * @property string $profile
 *
 * The followings are the available model relations:
 * @property Post[] $posts
 */
class User extends ActiveRecord {
	/**
	 * 返回指定角色的用户名列表
	 *
	 * @param unknown_type $role        	
	 */
	public function getUsersName($role = false) {
	}
	public function validatePassword($password) {
		return $this->hashPassword ( $password, $this->salt ) === $this->password;
	}
	public function hashPassword($password, $salt) {
		return md5 ( $salt . $password );
	}
	
	/**
	 * Returns the static model of the specified AR class.
	 *
	 * @param string $className
	 *        	active record class name.
	 * @return User the static model class
	 */
	public static function model($className = __CLASS__) {
		return parent::model ( $className );
	}
	
	/**
	 *
	 * @return string the associated database table name
	 */
	public function tableName() {
		return '{{user}}';
	}
	
	/**
	 *
	 * @return array validation rules for model attributes.
	 */
	public function rules() {
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array (
				array (
						'username, password, salt, email', 
						'required' 
				), 
				array (
						'username, password, salt, email', 
						'length', 
						'max' => 128 
				), 
				array (
						'profile', 
						'safe' 
				),  // The following rule is used by search().
				   // Please remove those attributes that should not be searched.
				/*array (
						'id, username, password, salt, email, profile', 
						'safe', 
						'on' => 'search' 
				) */
		);
	}
	
	/**
	 *
	 * @return array relational rules.
	 */
	public function relations() {
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array (
				'posts' => array (
						self::HAS_MANY, 
						'Post', 
						'author_id' 
				), 
				'userroles' => array (
						self::HAS_MANY, 
						'Userroles', 
						'userid' 
				) 
		);
	}
	
	/**
	 *
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels() {
		return array (
				'id' => Yii::t ( 'lng_user', 'user_ID' ), 
				'username' => Yii::t ( 'lng_user', 'user_Username' ), 
				'password' => Yii::t ( 'lng_user', 'user_Password' ), 
				'salt' => Yii::t ( 'lng_user', 'user_Salt' ), 
				'email' => Yii::t ( 'lng_user', 'user_Email' ), 
				'profile' => Yii::t ( 'lng_user', 'user_Profile' ), 
				'roles' => Yii::t ( 'lng_user', 'user_Roles' ) 
		);
	}
	
	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search() {
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.
		$criteria = new CDbCriteria ();
		
		$criteria->compare ( 'id', $this->id );
		$criteria->compare ( 'username', $this->username, true );
		$criteria->compare ( 'password', $this->password, true );
		$criteria->compare ( 'salt', $this->salt, true );
		$criteria->compare ( 'email', $this->email, true );
		$criteria->compare ( 'profile', $this->profile, true );
		
		return new CActiveDataProvider ( $this, array (
				'criteria' => $criteria 
		) );
	}
}